Bonsai: deciduous vs conifer
Quick answer
On Bonsai, deciduous vs conifer usually comes down to this: Deciduous and conifer bonsai have fundamentally different root structures and recovery rates, requiring species-specific repotting approaches
Start here:
- 1. 1. Deciduous trees: more aggressive root pruning acceptable; perform foliage pruning to rebalance tree after root work
- 2. 2. Conifers (pine, juniper): preserve all fine root-hairs — these are non-renewable nutrient absorption structures
How to tell these apart on Bonsai
Deciduous and conifer bonsai have fundamentally different root structures and recovery rates, requiring species-specific repotting approaches
What to do for Bonsai
- 1
1. Deciduous trees: more aggressive root pruning acceptable; perform foliage pruning to rebalance tree after root work
- 2
2. Conifers (pine, juniper): preserve all fine root-hairs — these are non-renewable nutrient absorption structures
- 3
3. Deciduous repot timing: late winter (mid-February) before spring growth flush
- 4
4. Conifer repot timing: early spring OR early fall — never winter; never immediately after styling work
- 5
5. After conifer repotting: wait one full growing season before any major styling or jin-shari work
- 6
6. If root pruning conifers: do not wash away soil as this destroys root-hairs — hand-clean only
Avoid mixing these up on Bonsai
Never apply deciduous root pruning aggressive techniques to conifers — fine root-hair preservation is critical for conifer health